We received the imx8mplus development board from PHYTEC for evaluation, and last time we had it up, everything was working fine.
The official website comes with a paper document for rapid development,...
[i=s]This post was last edited by hehung on 2022-3-6 19:28[/i]PrefaceRTC is a good choice for recording time. It does not require an external clock chip and can also achieve the purpose of obtaining a...
1. ADN8834 power-on probability VREF oscillation causes the chip to not work
Oscillation phenomenon; Test conditions: VLIM=0V~0.5V, T=25C, VCC RC: 30ohm, 22nf; ICC=10mA when VERF is normal, abnormal c...
Let’s start with a simple question: How fast can the GPIO flip speed of STM32 (for example, used to simulate timing) be? Write a piece of code to test: [code]void test(void) { for(;;) { GPIOA->ODR = (...
Tips: Go to the official website of National Technology - Developer Community - Download, and you can download the latest version continuously.[attach]605263[/attach][attach]]605259[/attach][attach]60...
[i=s]This post was last edited by nich20xx on 2020-7-5 06:31[/i] # 1 Introduction The sub-GHZ RF module of STM32WL can operate in the 150~960MHz ISM frequency band, supports the transceiver functions ...
In this section, Bingo will explain how to debounce the buttons in a single-chip microcomputer based on a code he wrote in the past. The code is as follows:
unsigned char key_scan(void)
{
if(key ...[Details]
On January 18, according to PhoneArena, the black version of the Samsung Galaxy S21 Ultra 128GB is out of stock on Samsung's official US website, and the price is US$599.99 (approximately RMB 3,...[Details]
Sine wave inverter power supply is widely used in various fields such as electricity, post and telecommunications, communications, aerospace, etc., and with the continuous development and popularizat...[Details]
Function: Light up the eight LEDs on the board in sequence and display them in a cycle. The buzzer beeps once each time the cycle is displayed.
Schematic diagram:
Program Listing:...[Details]
The German Institute for Solar Energy and Hydrogen Energy has recently developed a long-cycle life lithium battery that can be used in electric vehicles. The power density of this lithium batt...[Details]
For the purposes of this article,
dynamic range will be defined as the difference between the maximum and minimum amount of light that a sensor can measure
. This difference is bounded on t...[Details]
Basic knowledge of lead-free solder
1. The basis of welding operation
① The purpose of welding operation:
(i) Mechanical connection: connect two metals and fix them.
...[Details]
Abstract: Traditional two-stage APFC uses two sets of control circuits and at least two power switch tubes, which increases the complexity and cost of the circuit. With the emergence of PFC/PWM two...[Details]
A pointer multimeter is a multifunctional, multi-range measuring instrument. Generally, a multimeter can measure DC current, DC voltage, AC current, AC voltage, resistance, audio level, etc. Some ca...[Details]
According to the WeChat official account of Huawei Machine Vision, from June 22 to July 3, 2020, the 16th Study Group of the International Telecommunication Union (ITU-T SG16) held a plenary meeting,...[Details]
Among the industrial and domestic electrical loads, resistive and inductive loads account for a large proportion. Asynchronous motors, transformers, fluorescent lamps, etc. are typical resistive and ...[Details]
Yiou released the "2024 China NOA Functional Technology Development Roadmap Insight Analysis Report", and made some summary of China's current intelligent driving NOA.
We have discussed ...[Details]
Although 5G has been commercially available for some time, it is still far from completely replacing 4G, and many people still use 4G phones. Therefore, whether on the mobile phone side or the operat...[Details]
According to Jiwei.com, the news about Huawei making cars has recently reached a climax in public opinion, but "Huawei does not make cars, but will help car companies make good cars!" Huawei's Wuhan ...[Details]
The auto-coupling step-down starting control cabinet is an electrical device widely used in the industrial field, mainly used to achieve the step-down starting and normal operation of the motor. It...[Details]